# A triangle has corners at #(2, -7 )#, ( 1 , -3)#, and #( 4 , 3)#. What will the new coordinates of the triangle be if it is reflected across the x-axis?

##### 1 Answer

Mar 28, 2018

#### Explanation:

#"under a reflection in the x-axis"#

#• " a point "(x,y)to(x,-y)#

#rArr(2,-7)to(2,7)#

#rArr(1,-3)to(1,3)#

#rArr(4,3)to(4,-3)#